Refactor AccelerometerThread.h (#4831)

* Initial upload

* Tidy up

* Update ICM20948Sensor.cpp

* Update AccelerometerThread.h

* Initial upload

* Tidy up

* Update ICM20948Sensor.cpp

* Update AccelerometerThread.h

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/motion/LSM6DS3Sensor.h

@@ -0,0 +1,28 @@
+#pragma once
+#ifndef _LSM6DS3_SENSOR_H_
+#define _LSM6DS3_SENSOR_H_
+
+#include "MotionSensor.h"
+
+#if !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL) && !MESHTASTIC_EXCLUDE_I2C
+
+#ifndef LSM6DS3_WAKE_THRESH
+#define LSM6DS3_WAKE_THRESH 20
+#endif
+
+#include <Adafruit_LSM6DS3TRC.h>
+
+class LSM6DS3Sensor : public MotionSensor
+{
+  private:
+    Adafruit_LSM6DS3TRC sensor;
+
+  public:
+    explicit LSM6DS3Sensor(ScanI2C::FoundDevice foundDevice);
+    virtual bool init() override;
+    virtual int32_t runOnce() override;
+};
+
+#endif
+
+#endif